Find (f o g)(2) and (f+g)(2) when f(x)=1/x and g(x)=4x+9

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36